//Copyright 2010 Balazs Keri, Imre Keri
//
//This file is part of FireworksCreator.
//
//FireworksCreator is free software: you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
//FireworksCreator is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with FireworksCreator.  If not, see <http://www.gnu.org/licenses/>.
//
#ifndef _IDGENERATOR_H
#define _IDGENERATOR_H
//
#include <global.h>
#include "id.h"
#include "restoreerror.h"
class QDataStream;
class RestoreStream;
//
class IdGenerator
{
friend QDataStream &operator<<(QDataStream &p_stream,const IdGenerator &p_idgen);
friend RestoreStream &operator>>(RestoreStream &p_stream,IdGenerator &p_idgen)throw(RestoreError);
//constructor
public:
   IdGenerator();
//disabled
private:
   IdGenerator(const IdGenerator&);
   IdGenerator &operator=(const IdGenerator&);
//operations
public:
   Id generate();
   void reset();
//data
private:
   quint64 next_id;
};
//
QDataStream &operator<<(QDataStream &p_stream,const IdGenerator &p_idgen);
RestoreStream &operator>>(RestoreStream &p_stream,IdGenerator &p_idgen)throw(RestoreError);
//
#endif
